Firestorm One Year Later Spoilers

stolen from Rich Johnston's column Lying in the Gutters this week. I've heard this previously on some Newsarama article, but stole it from LITG.

I understand that In order to use his powers, Firestorm needs to be merged with another hero - in this case, Firehawk. If they are separated by more than a mile, Firestorm goes into meltdown.